Dark Skies Forecast for Interlaken, Alps
Interlaken sits between Lakes Thun and Brienz, where turquoise water, wooded ridges and distant Bernese peaks form broad, receding landscape layers.
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
How this forecast is evaluated
See which weather signals PhotoWeather uses to identify Dark Skies conditions across Alps. The requirements and hourly values below show how those signals apply at Interlaken.
Explore Dark Skies conditions across Alps →Recorded match history
Completed PhotoWeather forecast matches recorded for this exact rule at Interlaken during the last 365 days.
00:00 local time, shared by 17 of 58 matches recorded in the last 365 days.
These figures use completed PhotoWeather MatchEvent records from the previous 365 days only. They describe recorded forecast matches, not observations, climatological probability, or a guarantee of future conditions.
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80-hour requirements breakdown
When available, the detailed table below covers only the stated 80-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the next 14 days, so this table does not explain that entire 14-day period.
Time Europe/Zurich | Astronomical Night Any | Total Cloud Coverage ≤ 20.0% | Visibility ≥ 12000.0m | Precipitation Chance ≤ 10.0% | Moon Illumination OR1·B1≤ 35.0% | Moon Altitude OR1·B2≤ 10.0° |
|---|---|---|---|---|---|---|
| Sun, Jul 19 | ||||||
| 06:00 | ✕ | 25% | 13972m | 100% | 31% | -45° |
| 07:00 | ✕ | 31% | 23202m | 100% | 31% | -42° |
| 08:00 | ✕ | 4% | 22066m | 100% | 31% | -36° |
| 09:00 | ✕ | 7.4% | 13421m | 100% | 31% | -28° |
| 10:00 | ✕ | 6% | 7993m | 100% | 31% | -20° |
| 11:00 | ✕ | 2.7% | 11162m | 100% | 31% | -9.9° |
| 12:00 | ✕ | 0.9% | 16860m | 100% | 31% | -0.15° |
| 13:00 | ✕ | 1.2% | 10797m | 100% | 31% | 9.5° |
| 14:00 | ✕ | 7.3% | 15546m | 100% | 31% | 19° |
| 15:00 | ✕ | 74% | 22881m | 67% | 31% | 27° |
| 16:00 | ✕ | 83% | 21956m | 33% | 31% | 33° |
| 17:00 | ✕ | 13% | 24134m | 0% | 31% | 37° |
| 18:00 | ✕ | 4.5% | 24135m | 0% | 31% | 38° |
| 19:00 | ✕ | 13% | 24135m | 0% | 31% | 36° |
| 20:00 | ✕ | 6.8% | 24134m | 0% | 31% | 31° |
| 21:00 | ✕ | 7.6% | 24135m | 0% | 31% | 24° |
| 22:00 | ✕ | 1.7% | 24134m | 0% | 31% | 16° |
| 23:00 | ✓ | 2.6% | 24134m | 0% | 31% | 6.2° |
| Mon, Jul 20 | ||||||
| 24:00 | ✓ | 0% | 24134m | 0% | 31% | -3.8° |
| 01:00 | ✓ | 3.4% | 24134m | 0% | 31% | -14° |
| 02:00 | ✓ | 0.1% | 24135m | 0% | 41% | -24° |
| 03:00 | ✓ | 0% | 24135m | 0% | 41% | -33° |
| 04:00 | ✕ | 0% | 24134m | 0% | 41% | -42° |
| 05:00 | ✕ | 0% | 24134m | 0% | 41% | -48° |
| 06:00 | ✕ | 0% | 24134m | 16% | 41% | -51° |
| 07:00 | ✕ | 3.1% | 24135m | 33% | 41% | -51° |
| 08:00 | ✕ | 5% | 24135m | 49% | 41% | -46° |
| 09:00 | ✕ | 5% | 24134m | 63% | 41% | -39° |
| 10:00 | ✕ | 0% | 24135m | 77% | 41% | -31° |
| 11:00 | ✕ | 0% | 24135m | 92% | 41% | -21° |
| 12:00 | ✕ | 5.8% | 24134m | 91% | 41% | -12° |
| 13:00 | ✕ | 5% | 24134m | 91% | 41% | -1.9° |
| 14:00 | ✕ | 33% | 24130m | 90% | 41% | 7.4° |
| 15:00 | ✕ | 25% | 22386m | 77% | 41% | 16° |
| 16:00 | ✕ | 36% | 23560m | 63% | 41% | 23° |
| 17:00 | ✕ | 67% | 23343m | 50% | 41% | 29° |
| 18:00 | ✕ | 83% | 23411m | 50% | 41% | 32° |
| 19:00 | ✕ | 83% | 24135m | 50% | 41% | 32° |
| 20:00 | ✕ | 3.4% | 24135m | 50% | 41% | 29° |
| 21:00 | ✕ | 0.1% | 24135m | 33% | 41% | 24° |
| 22:00 | ✕ | 0% | 24134m | 17% | 41% | 17° |
| 23:00 | ✓ | 0% | 24135m | 0% | 41% | 8.6° |
| Tue, Jul 21 | ||||||
| 24:00 | ✓ | 0% | 24134m | 7.4% | 41% | -0.83° |
| 01:00 | ✓ | 0% | 24134m | 15% | 41% | -11° |
| 02:00 | ✓ | 40% | 24135m | 22% | 51% | -21° |
| 03:00 | ✓ | 100% | 24134m | 22% | 51% | -31° |
| 04:00 | ✕ | 100% | 24134m | 22% | 51% | -40° |
| 05:00 | ✕ | 90% | 24135m | 22% | 51% | -49° |
| 06:00 | ✕ | 100% | 24134m | 20% | 51% | -55° |
| 07:00 | ✕ | 93% | 24135m | 19% | 51% | -57° |
| 08:00 | ✕ | 76% | 24135m | 17% | 51% | -55° |
| 09:00 | ✕ | 58% | 24135m | 19% | 51% | -50° |
| 10:00 | ✕ | 5% | 24134m | 20% | 51% | -42° |
| 11:00 | ✕ | 0% | 24135m | 22% | 51% | -32° |
| 12:00 | ✕ | 0.2% | 24135m | 31% | 51% | -23° |
| 13:00 | ✕ | 1.9% | 24134m | 41% | 51% | -13° |
| 14:00 | ✕ | 8.9% | 24134m | 50% | 51% | -3.4° |
| 15:00 | ✕ | 16% | 24134m | 33% | 51% | 5.5° |
| 16:00 | ✕ | 11% | 24134m | 17% | 51% | 13° |
| 17:00 | ✕ | 6% | 24134m | 0% | 51% | 20° |
| 18:00 | ✕ | 0.8% | 24135m | 0% | 51% | 25° |
| 19:00 | ✕ | 0.2% | 24134m | 0% | 51% | 27° |
| 20:00 | ✕ | 0% | 24134m | 0% | 51% | 26° |
| 21:00 | ✕ | 0% | 24134m | 0% | 51% | 23° |
| 22:00 | ✕ | 0% | 24135m | 0% | 51% | 18° |
| 23:00 | ✓ | 0% | 24135m | 0% | 51% | 11° |
| Wed, Jul 22 | ||||||
| 24:00 | ✓ | 0% | 24135m | 0% | 51% | 2.1° |
| 01:00 | ✓ | 0% | 24135m | 0% | 51% | -7.2° |
| 02:00 | ✓ | 0% | 24135m | 0% | 61% | -17° |
| 03:00 | ✓ | 7.1% | 20690m | 0% | 61% | -27° |
| 04:00 | ✕ | 14% | 17246m | 0% | 61% | -37° |
| 05:00 | ✕ | 21% | 13802m | 0% | 61% | -47° |
| 06:00 | ✕ | 21% | 13798m | 0% | 61% | -55° |
| 07:00 | ✕ | 21% | 13795m | 0% | 61% | -61° |
| 08:00 | ✕ | 21% | 13792m | 0% | 61% | -62° |
| 09:00 | ✕ | 21% | 13792m | 0% | 61% | -59° |
| 10:00 | ✕ | 21% | 13793m | 0% | 61% | -52° |
| 11:00 | ✕ | 21% | 13793m | 0% | 61% | -43° |
| 12:00 | ✕ | 21% | 13793m | 0% | 61% | -33° |
| 13:00 | ✕ | 21% | 13794m | 0% | 61% | -24° |
How this forecast is made
Opportunities are threshold-based signals: PhotoWeather checks whether forecast conditions match the rules for a photography scenario. They are planning guidance, not guarantees. Forecasts can change as new model runs arrive, and confidence generally decreases farther into the forecast horizon, so recheck conditions before travelling.
The weather forecast foundation comes through Open-Meteo , which aggregates models from weather agencies. PhotoWeather applies condition-specific thresholds and derived calculations; not every condition uses every model or data input.
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